﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using HHIDAL;
using HHDBUtility;//Please add references
namespace HHSQLServerDAL
{
	/// <summary>
	/// 数据访问类:NewClass
	/// </summary>
	public partial class NewClass:INewClass
	{
		public NewClass()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("ID", "NewClass"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from NewClass");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
};
			parameters[0].Value = ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(HHModel.NewClass model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into NewClass(");
			strSql.Append("NewClassName,Remark,ParentID,Sort,Status,Creater,CreateTime)");
			strSql.Append(" values (");
            strSql.Append("@NewClassName,@Remark,@ParentID,@Sort,@Status,@Creater,@CreateTime)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@NewClassName", SqlDbType.NVarChar,50),
					new SqlParameter("@Remark", SqlDbType.NVarChar,200),
					new SqlParameter("@ParentID", SqlDbType.Int,4),
					new SqlParameter("@Sort", SqlDbType.Int,4),
					new SqlParameter("@Status", SqlDbType.Int,4),
					new SqlParameter("@Creater", SqlDbType.NVarChar,50),
					new SqlParameter("@CreateTime", SqlDbType.DateTime)};
			parameters[0].Value = model.NewClassName;
			parameters[1].Value = model.Remark;
			parameters[2].Value = model.ParentID;
			parameters[3].Value = model.Sort;
            parameters[4].Value = model.Status;
			parameters[5].Value = model.Creater;
			parameters[6].Value = model.CreateTime;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(HHModel.NewClass model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update NewClass set ");
			strSql.Append("NewClassName=@NewClassName,");
			strSql.Append("Remark=@Remark,");
			strSql.Append("ParentID=@ParentID,");
			strSql.Append("Sort=@Sort,");
            strSql.Append("Status=@Status,");
			strSql.Append("Creater=@Creater,");
			strSql.Append("CreateTime=@CreateTime");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@NewClassName", SqlDbType.NVarChar,50),
					new SqlParameter("@Remark", SqlDbType.NVarChar,200),
					new SqlParameter("@ParentID", SqlDbType.Int,4),
					new SqlParameter("@Sort", SqlDbType.Int,4),
					new SqlParameter("@Status", SqlDbType.Int,4),
					new SqlParameter("@Creater", SqlDbType.NVarChar,50),
					new SqlParameter("@CreateTime", SqlDbType.DateTime),
					new SqlParameter("@ID", SqlDbType.Int,4)};
			parameters[0].Value = model.NewClassName;
			parameters[1].Value = model.Remark;
			parameters[2].Value = model.ParentID;
			parameters[3].Value = model.Sort;
            parameters[4].Value = model.Status;
			parameters[5].Value = model.Creater;
			parameters[6].Value = model.CreateTime;
			parameters[7].Value = model.ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
        /// <summary>
        /// 根据ID修改状态
        /// </summary>
        public bool UpdateStatusByID(int ID, int Status)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update NewClass set ");
            strSql.Append("Status=@Status");
            strSql.Append(" where ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@Status", SqlDbType.Int,4),
					new SqlParameter("@ID", SqlDbType.Int,4)};
            parameters[0].Value = Status;
            parameters[1].Value = ID;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
                return true;
            else
                return false;
        }
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from NewClass ");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
};
			parameters[0].Value = ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string IDlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from NewClass ");
			strSql.Append(" where ID in ("+IDlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public HHModel.NewClass GetModel(int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
            strSql.Append("select  top 1 ID,NewClassName,Remark,ParentID,Sort,Status,Creater,CreateTime from NewClass ");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
};
			parameters[0].Value = ID;

			HHModel.NewClass model=new HHModel.NewClass();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["ID"]!=null && ds.Tables[0].Rows[0]["ID"].ToString()!="")
				{
					model.ID=int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["NewClassName"]!=null && ds.Tables[0].Rows[0]["NewClassName"].ToString()!="")
				{
					model.NewClassName=ds.Tables[0].Rows[0]["NewClassName"].ToString();
				}
				if(ds.Tables[0].Rows[0]["Remark"]!=null && ds.Tables[0].Rows[0]["Remark"].ToString()!="")
				{
					model.Remark=ds.Tables[0].Rows[0]["Remark"].ToString();
				}
				if(ds.Tables[0].Rows[0]["ParentID"]!=null && ds.Tables[0].Rows[0]["ParentID"].ToString()!="")
				{
					model.ParentID=int.Parse(ds.Tables[0].Rows[0]["ParentID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Sort"]!=null && ds.Tables[0].Rows[0]["Sort"].ToString()!="")
				{
					model.Sort=int.Parse(ds.Tables[0].Rows[0]["Sort"].ToString());
				}
                if (ds.Tables[0].Rows[0]["Status"] != null && ds.Tables[0].Rows[0]["Status"].ToString() != "")
				{
                    model.Status = int.Parse(ds.Tables[0].Rows[0]["Status"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Creater"]!=null && ds.Tables[0].Rows[0]["Creater"].ToString()!="")
				{
					model.Creater=ds.Tables[0].Rows[0]["Creater"].ToString();
				}
				if(ds.Tables[0].Rows[0]["CreateTime"]!=null && ds.Tables[0].Rows[0]["CreateTime"].ToString()!="")
				{
					model.CreateTime=DateTime.Parse(ds.Tables[0].Rows[0]["CreateTime"].ToString());
				}
				return model;
			}
			else
			{
				return null;
			}
		}

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public string GetNameByID(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 NewClassName from NewClass ");
            strSql.Append(" where ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)};
            parameters[0].Value = ID;
            object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
            if (obj != null)
                return obj.ToString();
            else
                return null;
        }
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
            strSql.Append("select ID,NewClassName,Remark,ParentID,Sort,Status,Creater,CreateTime ");
			strSql.Append(" FROM NewClass ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
            strSql.Append(" ID,NewClassName,Remark,ParentID,Sort,Status,Creater,CreateTime ");
			strSql.Append(" FROM NewClass ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "NewClass";
			parameters[1].Value = "ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

